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Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring
The spherical roller bearing withstands significant loads and misalignments . This type of roller bearing is well adapted to harsh operating conditions : impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN offers as standard, unsurpassed endurance and longevity.
Log in To add this product to your basket Documentation Product information PRODUCT DEFINITION Brand SNR d - Internal diameter 190 mm D - External diameter 290 mm B - Bearing/Inner ring width 100 mm D1 - Inner diameter outer ring 263,2 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 b - Groove width 13 mm k - Hole diameter 6 mm Radial clearance class CN Mass 23,733 kg
PRODUCT PERFORMANCE C - Dynamic load 1360 kN C0 - Static load 2000 kN Cu - Fatigue limit load 187 kN e - Coefficient 0.3 Y0 - Static axial load coefficient 2.18 Y1 - Lower axial load coefficient 2.23 Y2 - Upper axial load coefficient 3.32 N ref - Reference thermal speed 1300 tr/min N lim - Mechanical Limit Speed 2100 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 11,134 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,866 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,86 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,43 Hz FTF - Rotational frequency - cage (60 rpm) 0,445 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 202 mm Da max - Max shoulder diameter OR 278 mm ra max - Max shaft & housing fillet radius 2 mm
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